I've taken a list of English words, and examined each of them to see what they sound like (using the PHP metaphone function). This page lists the most common metaphone codes, along with their words. You can also search for a word of your own, and see which words sound similar - and which ones rhyme, and which ones alliterate.
burin brin burn briny bourn brain buran brine bruin brainy burnie briony bourne barn born bran biriani bren borne boron baron brown barny brawn bairn barony barren borane boreen branny brawny barney browny byrnie baronne brownie
purin burin urn rin urine furan train dourine durian serein serine morrion purine groin bruin grain buran burn farina durn wherein saurian bourne shrine chorion briny heroin journo larine marine prion turion mirin murein murrain narine neuron ferine neurine virion durion murrine quern curn marina bourn rain merino terrain brain herein jarina grin morion carrion mourn parian brin rein turn trine terrine taurine drain murine diuron ruin sciurine sarin brine carina chorine churn serin yourn
bur bourree brie brio buhr bura bureau burgh burr burro burrow burry bury abri